大约有 48,000 项符合查询结果(耗时:0.0737秒) [XML]
Reading Excel files from C#
...ory());
var connectionString = string.Format("Provider=Microsoft.Jet.OLEDB.4.0; data source={0}; Extended Properties=Excel 8.0;", fileName);
var adapter = new OleDbDataAdapter("SELECT * FROM [workSheetNameHere$]", connectionString);
var ds = new DataSet();
adapter.Fill(ds, "anyNameHere");
DataTab...
Remove last character from C++ string
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Matthieu M.Matthieu M.
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Why are the Level.FINE logging messages not showing?
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edited Apr 1 '14 at 14:16
Paolo Fulgoni
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When should I use mmap for file access?
... patryk.beza
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answered Nov 3 '08 at 8:01
Don NeufeldDon Neufeld
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SQLAlchemy default DateTime
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edited Jan 20 '14 at 23:44
answered Nov 13 '12 at 23:01
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Is there a math nCr function in python? [duplicate]
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L3viathan
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answered Feb 9 '11 at 6:25
dheerosaurdheerosaur
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QString to char* conversion
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114
Well, the Qt FAQ says:
int main(int argc, char **argv)
{
QApplication app(argc, argv);
QStri...
Get current time as formatted string in Go?
...he time.Format() method.
t := time.Now()
fmt.Println(t.Format("20060102150405"))
prints out 20110504111515, or at least it did a few minutes ago. (I'm on Eastern Daylight Time.) There are several pre-defined time formats in the constants defined in the time package.
You can use time.Now().UTC() ...
Generate a random alphanumeric string in Cocoa
...tring *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-(NSString *) randomStringWithLength: (int) len {
NSMutableString *randomString = [NSMutableString stringWithCapacity: len];
for (int i=0; i<len; i++) {
[randomString appendFormat: @"%C", [lett...
